The facility will have a capacity of 220 megawatts (MW) and storage capacity of 235 megawatt hours (MWh). A total of 690 lithium-ion battery blocks will be installed at the facility, involving an investment of approximately 140 million euros. Information regarding the application of the project/plant. Government nor any agency thereof, nor any of their employees, makes any warranty, expressed or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness, of any information, apparatus, product, or. The second phase of Jintan Salt Cavern Compressed-Air Energy Storage Project plans to build two 350-megawatt non-supplementary fired compressed air energy storage units, with a total volume of 1. Roger Miesen, CEO RWE Generation: “As the proportion of. BYD Energy Storage and Saudi Electricity Company have signed the world's largest grid-scale energy storage projects contracts totalling a capacity of 12. Combined with a previously delivered 2. 6 GWh project, the result of their co-operation has amounted to a huge 15.